BIOL 4350 Lecture Notes - Lecture 1: Limnology, Water Pollution, Freshwater Biology
8 Sep 2017
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Biol*4350 limnology of natural and polluted waters. Guelph lake lab measurements, analysis, report. Lecture 1 intro to the limnology of natural and polluted waters: intro and discussion on own, work with group for other. Stream assessment of human perturbation, 2 sites: hypoxia affecting walleye in lake erie, work with groups of 2-3. Anyplace there is a basin/conduit for freshwater, some saltwater. Pollution is the introduction of energy or a substance into an environment that perturbs, alters, or harms an ecosystem. Water pollution = contamination of water bodies; old law in england protecting water so that someone could not throw things into the water and affect your water source. Diffuse source: more spread out, variety of different sources, not one specific source. Human/animal waste (nutrients), toxins (organics [pesticides, plastics, Sediments especially bad for coral reefs pharmaceuticals], inorganics (metals, acids, fertilizers, sediments] Niagara river (cid:498)foam(cid:499) organic constituents, usually human or animal waste: can get foam from phytoplankton, but never to widespread extent.
